3. Haul Time and Return Time

Try these first

1. 1.

   What is haul time?

   Hint

   Think about travel distance and speed.

2. 2.

   What does gravimetric capacity refer to?

   Hint

   Consider the manufacturer's specifications.

3. 3.

   What is haul time?

   • The time to load a machine
   • The time to transport materials
   • The time to repair machines

   Hint

   Think about what happens after materials are loaded.

4. 4.

   True or False: Overloading a machine can lead to increased tire costs.

   • True
   • False

   Hint

   Consider the effects of weight on machinery.

5. 5.

   A truck with a gravimetric capacity of 12 tons is loaded with material with a density of 3 tons/m³. What is the maximum volume it can carry without exceeding its capacity?

   Hint

   Use the formula for volume based on density.

6. 6.

   If the load cycle time for a loader is 1.2 minutes, and the truck cycle time is 31 minutes, how will you ensure that they are balanced? What would be the ideal number of trucks needed if one truck can carry 9 cubic meters?

   Hint

   Consider rounding strategies and operational efficiency.